Sierra 18-5166 Ignition CoilSierra 18-5166 Ignition Coil is a replacement part for Nissan/Tohatsu engines. All Sierra aftermarket engine parts are manufactured to meet or exceed OEM requirements.Fits: Nissan/Tohatsu 9.9D (2002 and below) 9.9D2 (2003 and below), 15D (2002 and below)Fits: Nissan/Tohatsu 15D2 (2003 and below), 18E (2002 and below), 18E2 (2003 and below)Interchangeable with:CDI189-3381Mercury Marine16064216064316064516064T058M0047311Nissan/Tohatsu Outboard362060400M362060401M362060500M362060501M3G2-06040-23G2060400M3G2060401M3G2060402M3G2060500M3G2060501M3G2060530M3M3060480M3M3060481M3M3060482M